Fastener



March 17, 1942. R. T. Ax; ErAL FASTENER.

'Filed Jime 4, 1940 ATTORNEYS,

Patented Mar. 17, 1942 FASTENER Roy T. Axe, Syracuse, and Russell B. Nelson, Onondaga, N. Y., assignors to The 0. `M.

Edwards Company, Inc. poration of New York Syracuse, N. Y., a cor- Application June 4, 1940, Serial No. 338,784

1 Claim. (01.292-60) This invention relates to fasteners for securing or clamping two parts together, of the type embodying a rotary stud carried by one of the two parts, and a radial arm for interlocking with the other of the two parts to be fastened together, and has for its object Va fastener in which the radial arm or anything performing its function is held out of sliding frictional `contact with a part with which it coacts, during rotary or partial rotary movement thereof into and out of fastening position.

t also has for its object a fastener which is a unit and -readily applied to or assembled with one of the parts to be fastened together and comprises a hollow body for securement to one of said parts, an operating member having successive axial movement in one direction, partial rotary movement and axial movement in the opposite direction, so that the radial arm is held out of sliding frictional engagement with the other of the two parts to be fastened together during rotary operating movement in either direction, when manipulating the operating member to fasten or unfasten the two parts.

Other objects will appear throughout the speciiication.

The invention consists in the novel features and in the combinations and constructions heref inafter set forth and claimed.

In describing this invention, reference is had 5 to the accompanying drawing in which like characters designate corresponding parts in all the views.

Figure l is .an elevation of this fastener showing the same employed for clamping together .two parts, such as sashor sash sections of a double glass window.

Figure 2 is a fragmentary enlarged sectional view on line 2 2, Figure 1.

Figure 3 is an elevation of the radial arm.

Figure 4 is a face view looking to the right in Figure 2 of the body of the fastener.

Figure 5 is a View similar to Figure 1 illustrating a slightly modied form of fastener.

or the sealing lmeans become permanently set in Figure 6 is an enlarged fragmentary elevation of the fastener.

Figure 7 is an enlarged elevation of another slightly modified form of the fastener.

This fastener is here shown as employed to fasten two sash or sash sections of a double glass window, in order to keep air tight the sealing means, which seals the space Ibetween the glass panes, and also to have a follow-up movement, as

more or less compressed condition.

I and 2 designate respectively thesash or sash sections, each having means for receiving glass panes 3, 4, which are spaced apart. `li and 6 .designate respectively sealing yand glazing strips associated respectively with the sash I, 2 and compressing respectively against the glass panes 3, 4 and Aagainst each other. The strips 5, 6 are usually rubber. The sash I, .2 are usually formedfof metal and hollow, and the fastening means located in or extending into the hollow sash Iy 2. 1

The fastening means `comprises a body member which is generally tubular, mounted in one sash, as the sash 2, extended transversely thereof, an operating member mounted in the body to have successive axial movement in one direction, against a spring, partial rotary movementand an axial movement in the opposite direction under there-action of the spring, and coacting means on the body and the operatingmember forpreventing sliding frictional engagementof the operating member or the radial arm thereof onthe sash 2 during the partial rotary movement, or while ,the radial arm is being moved into fastening position and outof fastening position. 1 designates the body, which is tubularl in form, and in the illustrated embodiment of the invention, is secured to one of the sash, as the sash 2, this sash 2 being usually the sash on the inner side of the car body to which the sash is applied, the outer sash I being fixed in the window opening of the car body. The body I is secured to the sash 2 in any suitable manner, here shown as by screws 8 lextending through laterally extendingY lugs or ears 9 on the body and overlying a wall of the sash 2, the screws threading into saidwall.

In the form shown in Figures 1 and 2, the `body 'I is tu-bular and is located in -alined openings in the inner and outer walls of the hollow sash 2 with its outer end nearly ush with the outer face of the sash 2, that is, the face remote from the sash I. The body 1 is also provided with a projection portion or noseA I0 which extends through an opening II into the hollow sash I.

The oper-ating member `comprises a stud I2 which extends axially through the body v'I beyond the end of the nose I0; and I3 is the fastening member or radial arm suitably mounted on the outer end of the stud I2 to be rocked thereby into and out of fastening engagement with the surface, as I4, on the interior of the sash I.

I5 designates the spring acting axially in oppothe resiliency of the sealing means deteriorates site directions on the stud I2 and the body 1, it

being here shown as encircling the stud within the body and thrusting at one end against a head I6 on the stud and a suitable abutment, as an internal ange in the tubular body 1. The head I6 is formed to receive a suitable tool, to rock the stud I2, it being here shown as slotted to receive a screw-driver.

The means for holding the radial arm I3 out of frictional engagement with the surface I4 during the rotation of the stud I2, comprises interlocking parts on the body member and the operating member located to interlock only when the stud I2 is turned so that the radial arm I3 is out of fastening position or in fastening position, and movable out of interlocking engagement by axial movement of the stud I2 against the action of the spring I5 and into interlocking engagement under the re-action of the spring. As here shown, the nose III of the body member is formed with two sets of diametrically opposite slots I1 opening through the end of the nose and the radial arm I3 or the hub I8 thereof is formed with shoulders or lugs I9 extending into one set or the other of the diametrically opposite slots I1 only when the radial arm I3 is completely in its fastening or unfastening location. The arm I3 may be a stamping and the lugs or shoulders I9 are struck integral therewith and positioned on opposite sides of the stud I2 at a right angle to the plane of the arm I3.

In the form shown in Figure 5, the body member 10 is mounted on the inner face of the sash 2 and does not extend through the sash 2 or into the transverse opening in the sash 2. The stud,

however, extends into such opening or through r' or partly through the sash 21. The body 1I) is provided with lugs, similar to the lugs 9, which are secured to the sash 2, as in Figure 2.

In the form shown in Figure 7, the shoulders 90, corresponding to the shoulders I9, are provided by means of a transverse pin located diametrically relatively to the stud I2, these projections or pins working in the slots I1 in the nose I0 of the body member 1. rIvhe end surface 20 of the nose I0 between the slots I1 serve asa barrier to prevent axial movement of the operating member under the re-action of the spring I5, while the radial arm I3 is in intermediate position or not in such a radial angle as to approximately aline the shoulders I 9 or 90 with the entrances of the slots I1.

In order to facilitate the movement of the lugs I9 out of the slots I1, or pins SII out of slots I1, the slots are provided with beveled or chamfered entrances at 2I to coact with beveled corners 22 5 on the lugs or with the rounding peripheral surface of the pin 92. This beveling also facilitates the re-entering of the lugs IS or the pins 90 into the slots I1.

The fastener is made up as a unit, the body member 1 placed in the transverse opening in the sash 2 or in juxtaposition thereto, as seen in Figure 5,v and the screws 8 applied. These screws are preferably of the type which drill and tap their holes when being driven in.

To fasten or lock the two sash together, the stud I2 is pushed inwardly against the action of the spring I5 by a suitable tool, as a screw-driver, this operation carrying the lugs or shoulders I9 out of or nearly out of one set of the diametrically located slots I1, and then the stud is partially turned until the radial arm I3 is in the position shown in Figure 1, at which time the shoulders or lugs I9 approximately aline with the other set of diametrically located slots, so that under the re-action of the spring I5, the lugs are interlocked in such slots. The lugs and slots prevent unintentional shifting or unlocking of the arm I3 and also prevent unintentional shifting out vof unlocked or unfastened position, so that the arms I3 are always set to pass through the opening II when the sash 2 is being applied to the sash I. The surfaces 2E), during the rotation of the stud I2, after being pressed in axially, hold the radial arm I3 out of sliding engagement with the surface I4.

In a situation where the fastener is used to hold two sash together and perform the follow-up operation to compensate for or follow-up compression of the sealing means, as 5, 6, the holding of the arm I3 out 0f engagement withthe surface with which it coacts, during rocking movement of the operating member, of importance. As the sash is usually formed of a relatively soit metal alloy, the frictional rubbing of the arm I3 quickly wears off the metal surface, thus tending to loosen the joint between the sealing means 5, 6 or to weaken or destroy the follow-up action of the spring I5 in compensating for deterioration or permanent setting of the sealing strips 5, 6. The adding of wear plates to take the wear of the sliding action of an arm analogous to the arm I3 adds considerably to the cost of the sash.

As this fastener is a unitary structure, it is quickly and economically applied to the sash 2 and also interlocks with the sash I without special keeper plates.

What we claim is:

A fastener for clamping two parts together comprising a hollow body for securement to one of said parts, an axially movable and partially rotatable member including a stud mounted in the body and a radial arm at one end of the stud and located outside the body, the stud being movable into and out of fastening engagement with the other of said parts, a spring acting in opposite directions against the body and the operating member, the body being formed at one end with two sets of diametrically opposite slots located so that the slots are substantially apart, and the arm being provided with diametrically opposite shoulders for moving endwise in either set of slots when alined therewith and movable into one set of diametrically opposite slots when the arm is' in fastening position and in the other set when the arm is in unfastened position, whereby the arm is held in either of said positions and axial shifting of the operating member is required to move the shoulders out of the slots preliminary to moving the arm in'to fastened position and into unfastened position.

ROY T. AXE.

RUSSELL B. NELSON. 

